CN115109916B - Heat treatment equipment and process for machining wind power generation bearing capable of preventing workpiece from falling - Google Patents
Heat treatment equipment and process for machining wind power generation bearing capable of preventing workpiece from falling Download PDFInfo
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- CN115109916B CN115109916B CN202210457167.5A CN202210457167A CN115109916B CN 115109916 B CN115109916 B CN 115109916B CN 202210457167 A CN202210457167 A CN 202210457167A CN 115109916 B CN115109916 B CN 115109916B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/52—Methods of heating with flames
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a heat treatment device and a process for processing a wind power generation bearing, which can prevent a workpiece from falling, and the heat treatment device comprises the following steps: the heating furnace, cooling stove, flame gun, movable frame, work piece body and liquid nitrogen spray tube, the intake pipe is installed to the rear end of heating furnace, the cooling stove is located the left side of heating furnace, flame gun installs the inside bottom at the heating furnace, movable frame fixes the right side at the heating furnace, the bottom at the peg is installed to the work piece body, the inside bottom at the cooling furnace is installed to the liquid nitrogen spray tube, the equidistant liquid nitrogen shower nozzle of installing in top of liquid nitrogen spray tube. This avoid wind power generation bearing processing that work piece dropped uses heat treatment equipment and technology, select different heat treatment technologies according to the difference of work piece body, inject the work piece body when heating, avoid the work piece body to drop, change the height of each position of annular structure work piece body, evenly heat annular structure work piece body.
Description
Technical Field
The utility model relates to the technical field of wind power generation bearing machining, in particular to heat treatment equipment and a process for machining a wind power generation bearing, wherein workpieces are prevented from falling off.
Background
The wind power generation bearing is an important part in wind power generation mechanical equipment, supports a mechanical rotating body in wind power generation, reduces the friction coefficient in the motion process of the mechanical rotating body, ensures the rotation precision of the mechanical rotating body, and is divided into a radial bearing and a thrust bearing according to the difference of the bearing direction or the nominal contact angle of the mechanical rotating body, and when the mechanical rotating body is processed, a bearing workpiece is subjected to heat treatment for improving the performance of the bearing, wherein the heat treatment refers to a metal heat processing technology for obtaining the expected structure and performance of the material in a solid state through heating, heat preservation and cooling means, the normalizing and annealing are required, the heat treatment is carried out in advance, then the quenching and low-temperature tempering are carried out for final heat treatment, and the bearing performance is improved;
however, the existing bearing processing heat treatment process and equipment still have the following problems;
1. when the bearing workpiece is subjected to heat treatment, the netlike carbide is eliminated through normalizing, if the netlike carbide is not contained in a material tissue, a normalizing process can be omitted, but when the bearing workpiece is subjected to general heat treatment, the steps of normalizing, annealing, quenching, low-temperature tempering and the like are directly carried out, the heat treatment processes of all the workpieces are consistent, and the workpieces cannot be treated according to the material content in the workpieces;
2. the Chinese patent publication No. CN 215799789U discloses a heat treatment device for bearing processing, wherein a workpiece is limited by a placing groove on a placing rack, the workpiece is fixed in position and cannot be heated uniformly, and the placing groove with a rectangular structure can only limit one end of a workpiece body, so that the workpiece is easy to fall to, when the workpiece is heated, the workpiece body is limited, the falling of the workpiece body is avoided, the heights of all parts of the workpiece body with an annular structure are changed, and the workpiece body with the annular structure is heated uniformly.
Disclosure of Invention
The utility model aims to provide a heat treatment device and a heat treatment process for processing a wind power generation bearing, which can avoid falling of a workpiece, and have the advantages of being capable of selecting different heat treatment processes according to different workpiece bodies, limiting the workpiece bodies during heating, avoiding falling of the workpiece bodies, changing the heights of all parts of the workpiece bodies with annular structures and uniformly heating the workpiece bodies with annular structures.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a heat treatment device and a process for processing a wind power generation bearing for avoiding workpiece dropping, comprising the following steps:
the rear end of the heating furnace is provided with an air inlet pipe;
the cooling furnace is positioned at the left side of the heating furnace, the right end of the cooling furnace and the inner wall of the right end of the heating furnace are both fixed with a first electric telescopic rod, and the output end of the first electric telescopic rod is fixed with a baffle plate;
the flame spraying gun is arranged at the bottom end of the heating furnace, the mounting boxes are fixed at the top ends of the heating furnace and the cooling furnace, a first heat exchange tube is fixed on the inner wall of the heating furnace inner mounting box, one end of the first heat exchange tube is connected with a first water inlet pipe, the other end of the first heat exchange tube is connected with a first output pipe, a second heat exchange tube is fixed on the inner wall of the cooling furnace inner mounting box, one end of the second heat exchange tube is connected with a second water inlet pipe, the other end of the second heat exchange tube is connected with a second output pipe, the outer sides of the second output pipe and the first output pipe are both connected with external pipes, an air outlet pipe is arranged at the rear end of the cooling furnace, a bearing box is fixed on the rear side of the cooling furnace, a spiral pipe is fixed at the tail end of the air outlet pipe, the bottom end of the bearing box is connected with a micropump, the output end of the micropump is connected with a dispersing pipe, and the top end of the dispersing pipe is connected with the bottom end of the first water inlet pipe;
the automatic heating device comprises a movable frame, wherein the movable frame is fixed on the right side of a heating furnace, a mounting frame is arranged on the right side of the movable frame, a second electric telescopic rod is fixed on the upper surface of the mounting frame, a transverse frame is fixed at the output end of the second electric telescopic rod, a mounting plate is arranged at the left end of the transverse frame, a hanging rod is fixed on the lower surface of the mounting plate, a servo motor is mounted at the top end of the movable frame, a screw rod is arranged above the servo motor, a limiting rod is arranged on the right side of the screw rod, the lower surface of the limiting rod is welded with the movable frame, a top end of the screw rod is in threaded connection with a top frame, a pushing mechanism is arranged at the rear of the heating furnace, the pushing mechanism comprises a first conveying structure, a second conveying structure, a disc, a supporting rod and a pushing rod, the first conveying structure and the second conveying structure are formed by combination of gears and chains, a screw rod is fixed on the upper surface of the gears at the front end of the first conveying structure, a gear at the rear end of the first conveying structure is fixedly connected with a limiting rod, a right end of the gears at the rear end of the first conveying structure is fixedly connected with the right end of the second conveying structure, and a rotating end of the supporting rod is connected with the rotating end of the disc;
the workpiece body is arranged at the bottom end of the hanging rod;
the liquid nitrogen spray pipe is arranged at the bottom end of the cooling furnace, and liquid nitrogen spray heads are arranged at the top end of the liquid nitrogen spray pipe at equal intervals.
Preferably, the longitudinal sections of the first heat exchange tube and the second heat exchange tube are of a fold line structure, and the front and rear groups of the first heat exchange tubes are connected through pipelines.
Preferably, the spiral tube is positioned in the carrying box, and the input end of the micropump is connected with the carrying box.
Preferably, the right end slidable mounting of mounting panel is in the left end of crossbearer, and the right-hand member and the bottom of mounting panel are unsmooth form structure.
Preferably, the top frame and the movable frame form a lifting structure through a screw rod, and a limiting rod penetrates through the top frame.
Preferably, the longitudinal section of the hanging rod is of an L-shaped structure, and the hanging rods are arranged at the left end of the mounting plate at equal intervals.
Preferably, the cross section of the push rod is of a T-shaped structure, and the rear end of the push rod penetrates through the rear end of the heating furnace.
The heat treatment process of the heat treatment equipment for processing the wind power generation bearing, which can prevent the workpiece from falling, comprises the following processes;
the first process comprises the following steps: detecting whether the inside of the workpiece body contains the network carbide or not by a device for rapidly detecting the network carbide structure of the steel piece;
and a second process: hanging a workpiece body containing netlike carbide on a hanging rod with a longitudinal section in an L-shaped structure, opening a heating furnace, pushing the hanging rod and the workpiece body, heating the workpiece body by using a flame gun, normalizing the workpiece body, opening a servo motor during heating, driving a screw rod by the servo motor to enable the hanging rod and the workpiece body to lift, pushing the workpiece body by a push rod to enable the workpiece body to lift and move back and forth in a small amplitude, preserving heat for 40-60min, and pushing the workpiece body into a cooling furnace to rapidly cool, thereby completing normalizing treatment;
and (3) a process III: placing the workpiece body without the netlike carbide or the workpiece body subjected to the normalizing of the first process into a heating furnace for annealing treatment;
and a process IV: and then, the workpiece body is heated and cooled by changing the temperature in the heating furnace and the cooling furnace, and quenching and low-temperature annealing are performed.
Compared with the prior art, the utility model has the beneficial effects that: according to the heat treatment equipment and the heat treatment process for processing the wind power generation bearing, which are capable of avoiding falling of the workpiece, different heat treatment processes are selected according to different workpiece bodies, the workpiece bodies are limited during heating, the falling of the workpiece bodies is avoided, the heights of all parts of the workpiece bodies with the annular structure are changed, and the workpiece bodies with the annular structure are uniformly heated;
1. before treatment, detecting whether the inside of the workpiece body contains the network carbide or not through a device for rapidly detecting the network carbide structure of the steel piece, wherein the workpiece body without the network carbide can be directly annealed, and different heat treatment processes are selected according to different workpiece bodies;
2. when heating or cooling, the hanging rod with the longitudinal section in an L-shaped structure is used for limiting the annular structure workpiece body to hook the workpiece body, and when heating, the workpiece body is prevented from falling off, so that the workpiece body is inconvenient to control subsequently;
3. under the action of a servo motor, the screw rod drives the top frame to lift, so that the workpiece body on the top frame lifts, and meanwhile, the push rod inside the pushing mechanism pushes the workpiece body under the action of the servo motor, so that the heights of all parts of the workpiece body with the annular structure are changed, and the workpiece body with the annular structure is uniformly heated.
Drawings
FIG. 1 is a schematic view of the front cut-away structure of the present utility model;
FIG. 2 is a schematic side view in cross-section of the present utility model;
FIG. 3 is a schematic rear view of the present utility model;
FIG. 4 is a schematic view of the internal cutaway structure of the carrying case of the present utility model;
FIG. 5 is a schematic top view of the present utility model;
FIG. 6 is a schematic view of the overall structure of the connection between the workpiece body and the hanger bar of the present utility model;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present utility model;
FIG. 8 is a schematic view of the movement state of the workpiece body according to the present utility model;
FIG. 9 is a schematic diagram of the process flow of the present utility model.
In the figure: 1. a heating furnace; 2. a cooling furnace; 3. a first electric telescopic rod; 4. a baffle; 5. an air inlet pipe; 6. a flame gun; 7. a mounting box; 8. a first heat exchange tube; 9. a first water inlet pipe; 10. a first output tube; 11. a second water inlet pipe; 12. a second output pipe; 13. an external pipe; 14. an air outlet pipe; 15. a spiral tube; 16. a receiving box; 17. a micropump; 18. a dispersion tube; 19. a moving rack; 20. a mounting frame; 21. a second electric telescopic rod; 22. a cross frame; 23. a mounting plate; 24. a hanging rod; 25. a workpiece body; 26. a servo motor; 27. a screw rod; 28. a limiting rod; 29. a top frame; 30. a liquid nitrogen spray pipe; 31. a liquid nitrogen spray head; 32. a second heat exchange tube; 33. a pushing mechanism; 3301. a first conveying structure; 3302. a second conveying structure; 3303. a disc; 3304. a support rod; 3305. a push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-9, the present utility model provides a technical solution: the utility model provides a prevent wind power generation bearing processing of work piece dropping and use heat treatment facility and technology, including heating furnace 1, cooling furnace 2, first electric telescopic link 3, baffle 4, intake pipe 5, flame gun 6, mounting box 7, first heat exchange tube 8, first inlet tube 9, first output tube 10, second inlet tube 11, second output tube 12, external pipe 13, outlet duct 14, spiral pipe 15, accept case 16, micropump 17, dispersion tube 18, movable frame 19, mounting bracket 20, second electric telescopic link 21, crossbeams 22, mounting plate 23, peg 24, work piece body 25, servo motor 26, lead screw 27, limiting rod 28, roof frame 29, liquid nitrogen spray tube 30, liquid nitrogen spray head 31, second heat exchange tube 32 and pushing mechanism 33, intake pipe 5 is installed to the rear end of heating furnace 1;
the cooling furnace 2 is positioned at the left side of the heating furnace 1, the right end of the cooling furnace 2 and the inner wall of the right end of the heating furnace 1 are both fixed with a first electric telescopic rod 3, and the output end of the first electric telescopic rod 3 is fixed with a baffle 4;
the flame spraying gun 6 is arranged at the inner bottom end of the heating furnace 1, the mounting boxes 7 are fixed at the inner top ends of the heating furnace 1 and the cooling furnace 2, the first heat exchange tubes 8 are fixed on the inner wall of the inner mounting boxes 7 of the heating furnace 1, one end of each first heat exchange tube 8 is connected with a first water inlet tube 9, the other end of each first heat exchange tube 8 is connected with a first output tube 10, the inner wall of the inner mounting boxes 7 of the cooling furnace 2 is fixed with a second heat exchange tube 32, one end of each second heat exchange tube 32 is connected with a second water inlet tube 11, the other end of each second heat exchange tube 32 is connected with a second output tube 12, the outer sides of the second output tube 12 and the first output tube 10 are both connected with an external tube 13, the rear end of the cooling furnace 2 is provided with an air outlet tube 14, the rear side surface of the cooling furnace 2 is fixed with a bearing box 16, the tail end of the air outlet tube 14 is fixed with a spiral tube 15, the bottom end of the bearing box 16 is connected with a micro pump 17, the output end of the micro pump 17 is connected with a dispersing tube 18, and the top end of the dispersing tube 18 is connected with the bottom end of the first water inlet tube 9;
the movable frame 19, the movable frame 19 is fixed on the right side of the heating furnace 1, the right side of the movable frame 19 is provided with a mounting frame 20, the upper surface of the mounting frame 20 is fixedly provided with a second electric telescopic rod 21, the output end of the second electric telescopic rod 21 is fixedly provided with a transverse frame 22, the left end of the transverse frame 22 is provided with a mounting plate 23, the lower surface of the mounting plate 23 is fixedly provided with a hanging rod 24, the top end of the movable frame 19 is provided with a servo motor 26, a screw rod 27 is arranged above the servo motor 26, the right side of the screw rod 27 is provided with a limiting rod 28, the lower surface of the limiting rod 28 is in welded connection with the movable frame 19, the top end of the screw rod 27 is in threaded connection with a top frame 29, the rear of the heating furnace 1 is provided with a pushing mechanism 33, the pushing mechanism 33 comprises a first conveying structure 3301, a second conveying structure 3302, a disc 3303, a supporting rod 3304 and a pushing rod 3305, wherein the first conveying structure 3301 and the second conveying structure 3302 are formed by combining gears and chains, the gear at the front end of the first conveying structure 3301 is fixed at the output end of the servo motor 26, the screw rod 27 is fixed on the upper surface of the gear at the front end of the first conveying structure 3301, the gear at the rear end of the first conveying structure 3301 is fixedly connected with the gear at the right end of the second conveying structure 3302, the disc 3303 is fixedly connected on the gear at the left end of the second conveying structure 3302, the supporting rod 3304 is rotatably connected at the outer end of the disc 3303, and the pushing rod 3305 is rotatably connected at the front end of the supporting rod 3304;
the workpiece body 25, the workpiece body 25 is installed at the bottom end of the hanging rod 24;
the liquid nitrogen spray pipes 30, wherein the liquid nitrogen spray pipes 30 are arranged at the bottom end of the interior of the cooling furnace 2, and liquid nitrogen spray heads 31 are arranged at the top end of the liquid nitrogen spray pipes 30 at equal intervals;
as shown in fig. 1 and 2, the longitudinal sections of the first heat exchange tube 8 and the second heat exchange tube 32 are in a zigzag structure, and the front and rear 2 groups of the first heat exchange tubes 8 are connected by pipelines, so that the heat exchange surfaces of the first heat exchange tube 8 and the second heat exchange tube 32 are enlarged.
As shown in fig. 3 and 4, the spiral tube 15 is located inside the receiving box 16, and the input end of the micro pump 17 is connected with the receiving box 16, expanding the heat exchange surface of the spiral tube 15.
As shown in fig. 1 and 6, the right end of the mounting plate 23 is slidably mounted at the left end of the transverse frame 22, and the right end and the bottom end of the mounting plate 23 are both in concave-convex structures, so that the mounting plate 23 is prevented from falling off when the lifting and the left-right movement are performed, the top frame 29 and the movable frame 19 form a lifting structure through the screw rod 27, the limiting rod 28 penetrates through the top frame 29, the lifting top frame 29 and the workpiece body 25 are convenient, the longitudinal section of the hanging rod 24 is in an L-shaped structure, the hanging rod 24 is mounted at the left end of the mounting plate 23 at equal intervals, and the workpiece body 25 is prevented from falling off.
As shown in fig. 5, the cross section of the pushing rod 3305 is in a T-shaped structure, and the rear end of the pushing rod 3305 penetrates the rear end of the heating furnace 1, so that the movement track of the heating furnace 1 is limited by the heating furnace 1.
The heat treatment process of the heat treatment equipment for processing the wind power generation bearing, which can prevent the workpiece from falling, comprises the following processes;
the first process comprises the following steps: detecting whether the inside of the workpiece body 25 contains network carbide by means of a device for rapidly detecting the network carbide structure of the steel piece;
and a second process: hanging a workpiece body 25 containing netlike carbide on a hanging rod 24 with a longitudinal section in an L-shaped structure, opening a heating furnace 1, pushing the hanging rod 24 and the workpiece body 25, heating the workpiece body 25 by using a flame gun 6, normalizing the workpiece body 25, opening a servo motor 26 during heating, driving a screw rod 27 by the servo motor 26 to enable the hanging rod 24 and the workpiece body 25 to lift, pushing the workpiece body 25 by a push rod 3305, enabling the workpiece body 25 to lift and move back and forth in a small amplitude, preserving heat for 40-60min, pushing the workpiece body 25 into a cooling furnace 2, rapidly cooling, and completing the normalizing treatment;
and (3) a process III: placing the workpiece body 25 without the netlike carbide or the workpiece body 25 subjected to the first normalizing process into a heating furnace 1 for annealing treatment;
and a process IV: then, the workpiece body 25 is heated and cooled by changing the temperature in the heating furnace 1 and the cooling furnace 2, and quenching and low-temperature annealing are performed;
the process is adjusted according to the internal organization of the workpiece body 25.
When the heat treatment equipment and the process for processing the wind power generation bearing, which avoid the falling of the workpiece, are used, whether the interior of the workpiece body 25 contains the network carbide or not is detected by the device for rapidly detecting the network carbide structure of the steel part, and the device for rapidly detecting the network carbide structure of the steel part, which is used in the scheme, is the same as the internal structure and the working principle of the device for rapidly detecting the network carbide structure of the steel part, which is proposed by the Chinese utility model with the authorized bulletin number of CN 206772896U;
a workpiece body 25 containing netlike carbide is hung on a hanging rod 24 with a longitudinal section in an L-shaped structure, then a first electric telescopic rod 3 at the right end of the heating furnace 1 is opened, the first electric telescopic rod 3 drives a baffle plate 4 to move, the baffle plate 4 stretches into the heating furnace 1, and the heating furnace 1 is opened;
then the mounting frame 20 is moved under the action of universal wheels arranged at the bottom end of the mounting frame 20, the workpiece body 25 is pushed into the heating furnace 1, as shown in fig. 1, the workpiece body 25 is positioned above the flame spraying gun 6, external air conveying equipment is connected with the air inlet pipe 5, air is conveyed into the heating furnace 1, the workpiece body 25 is heated through the flame spraying gun 6, and normalizing treatment is carried out on the workpiece body 25;
when the workpiece body 25 is heated, the servo motor 26 is turned on, the servo motor 26 drives a gear at the front end of the first conveying structure 3301 to rotate in a clockwise and anticlockwise reciprocating manner, a screw rod 27 fixed on the upper surface of the gear rotates in a clockwise and anticlockwise reciprocating manner, a top frame 29 in threaded connection with the screw rod 27 is lifted, a limiting rod 28 is utilized to limit the moving track of the top frame 29, the bottom end of the mounting plate 23 is clamped in a chute at the top end of the top frame 29 along with the lifting of the top frame 29, so that the mounting plate 23, the hanging rod 24 and the workpiece body 25 are lifted, the hanging rod 24 is lifted quickly, the workpiece body 25 is thrown upwards, the workpiece body 25 on the hanging rod 24 is prevented from falling due to the L-shaped structure of the longitudinal section of the hanging rod 24, and the mounting plate 23 is lifted on the transverse frame 22;
meanwhile, the first conveying structure 3301, the second conveying structure 3302 and the disc 3303 drive the supporting rod 3304 to rotate, and as the push rod 3305 is rotationally connected with the supporting rod 3304 and the push rod 3305 penetrates through the rear end of the heating furnace 1, the rotation of the supporting rod 3304 enables the push rod 3305 to move back and forth, the front and back movement of the push rod 3305 pushes the workpiece body 25, the position of the joint surface of the workpiece body 25 and the hanging rod 24 is changed, and the workpiece body 25 is uniformly heated;
along with the lifting of the mounting plate 23, the first electric telescopic rod 3 controls the baffle 4 to lift, the workpiece body 25 is insulated for 40-60min after being heated, then the first electric telescopic rod 3 at the right end of the cooling furnace 2 and the second electric telescopic rod 21 on the mounting frame 20 are opened, the first electric telescopic rod 3 at the right lower end of the cooling furnace 2 and the first electric telescopic rod 3 at the right lower end of the heating furnace 1 drive the baffle 4 to descend, the second electric telescopic rod 21 pushes the transverse frame 22, the mounting plate 23, the hanging rod 24 and the workpiece body 25 to move towards the cooling furnace 2, the hanging rod 24 and the workpiece body 25 are moved into the cooling furnace 2, then the baffle 4 is moved under the action of the first electric telescopic rod 3, the cooling furnace 2 is closed, the liquid nitrogen spray pipe 30 is connected with external liquid nitrogen conveying equipment, and liquid nitrogen is sprayed to the workpiece body 25 through the liquid nitrogen spray pipe 30 and the liquid nitrogen spray nozzle 31, and the workpiece body 25 is enabled to be cooled rapidly;
the workpiece body 25 without the net-shaped carbide or the workpiece body 25 normalized by the first process is placed in a heating furnace 1 for annealing treatment, and then quenching and low-temperature annealing are carried out in the heating furnace 1 and a cooling furnace 2;
when the temperature of the interior of the heating furnace 1 needs to be reduced, the flame spraying gun 6 is closed, cold water is conveyed to the first heat exchange tube 8 at the top end of the interior of the heating furnace 1 through the first water inlet tube 9, and after the temperature of the interior of the heating furnace 1 is reduced, the cold water flows out through the first output tube 10;
when the internal temperature of the cooling furnace 2 needs to be increased, water with proper temperature is conveyed to the second heat exchange tube 32 through the second water inlet tube 11, after heat exchange, the water temperature in the second heat exchange tube 32 is reduced, the water flows to the receiving box 16 through the second output tube 12, water with lower temperature is stored in the receiving box 16, and the water with lower temperature in the receiving box 16 can be conveyed to the first water inlet tube 9 through the micropump 17 and the dispersing tube 18 to provide cold water for the first heat exchange tube 8;
when the cool air in the cooling furnace 2 needs to be discharged, the valve on the air outlet pipe 14 is opened, the cool air flows through the carrying box 16 through the air outlet pipe 14 and the spiral pipe 15, the temperature of water in the carrying box 16 is reduced, the cool air in the cooling furnace 2 is fully utilized, and a series of operations of the heat treatment equipment and the process for processing the wind power generation bearing, which are used for avoiding the falling of the workpiece, are completed.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A avoid wind power generation bearing processing that work piece dropped to use heat treatment facility which characterized in that: comprising the following steps:
the heating furnace (1), the rear end of the heating furnace (1) is provided with an air inlet pipe (5);
the cooling furnace (2) is positioned at the left side of the heating furnace (1), the right end of the cooling furnace (2) and the inner wall of the right end of the heating furnace (1) are both fixed with a first electric telescopic rod (3), and the output end of the first electric telescopic rod (3) is fixed with a baffle plate (4);
the flame spraying gun (6), the flame spraying gun (6) is installed at the inside bottom of heating furnace (1), the inside top of heating furnace (1) and cooling furnace (2) all is fixed with mounting box (7), the inner wall of heating furnace (1) internally mounted box (7) is fixed with first heat exchange tube (8), the one end of first heat exchange tube (8) is connected with first inlet tube (9), the other end of first heat exchange tube (8) is connected with first output tube (10), the inner wall of cooling furnace (2) internally mounted box (7) is fixed with second heat exchange tube (32), the one end of second heat exchange tube (32) is connected with second inlet tube (11), the other end of second heat exchange tube (32) is connected with second output tube (12), the outside of second output tube (12) and first output tube (10) all is connected with external pipe (13), the rear end of cooling furnace (2) is provided with outlet duct (14), the rear side of first heat exchange tube (8) is fixed with accepts case (16), the one end of cooling furnace (2) is connected with micro pump (17), the top end of the dispersing pipe (18) is connected with the bottom end of the first water inlet pipe (9);
the movable frame (19), the right side at heating furnace (1) is fixed to movable frame (19), the right side of movable frame (19) is provided with mounting bracket (20), the upper surface of mounting bracket (20) is fixed with second electric telescopic handle (21), the output of second electric telescopic handle (21) is fixed with crossbearer (22), the left end of crossbearer (22) is provided with mounting panel (23), the lower surface of mounting panel (23) is fixed with peg (24), servo motor (26) are installed on the top of movable frame (19), the top of servo motor (26) is provided with lead screw (27), the right side of lead screw (27) is provided with limiting rod (28), the lower surface and the movable frame (19) welded connection of limiting rod (28), the top thread connection of lead screw (27) has roof-rack (29), the rear of heating furnace (1) is provided with pushing mechanism (33), pushing mechanism (33) are including first conveying structure (3301), second conveying structure (3302), second conveying structure (3303) and first conveying structure (3302) are formed by the fixed structure and second conveying structure (3302), conveying structure (3302) are formed by first conveying structure (3302) and conveying structure (3302), a screw rod (27) is fixed on the upper surface of a gear at the front end of the first conveying structure (3301), a gear at the right end of the second conveying structure (3302) is fixedly connected to a gear at the rear end of the first conveying structure (3301), a disc (3303) is fixedly connected to a gear at the left end of the second conveying structure (3302), a supporting rod (3304) is rotatably connected to the outer end of the disc (3303), and a push rod (3305) is rotatably connected to the front end of the supporting rod (3304);
the workpiece body (25), the workpiece body (25) is installed at the bottom end of the hanging rod (24);
the liquid nitrogen spray pipe (30), liquid nitrogen spray pipe (30) are installed in the inside bottom of cooling stove (2), liquid nitrogen shower nozzle (31) are installed on the top equidistant of liquid nitrogen spray pipe (30), the longitudinal section of peg (24) is "L" style of calligraphy structure, and the left end at mounting panel (23) is installed to peg (24) equidistant.
2. The heat treatment device for wind power generation bearing processing for preventing dropping of a workpiece according to claim 1, wherein: longitudinal sections of the first heat exchange tubes (8) and the second heat exchange tubes (32) are of a fold line structure, and the front and rear groups of the first heat exchange tubes (8) are connected through pipelines.
3. The heat treatment device for wind power generation bearing processing for preventing dropping of a workpiece according to claim 1, wherein: the spiral tube (15) is positioned in the carrying box (16), and the input end of the micropump (17) is connected with the carrying box (16).
4. The heat treatment device for wind power generation bearing processing for preventing dropping of a workpiece according to claim 1, wherein: the right end of mounting panel (23) slidable mounting is in the left end of crossbearer (22), and the right-hand member and the bottom of mounting panel (23) are unsmooth form structure.
5. The heat treatment device for wind power generation bearing processing for preventing dropping of a workpiece according to claim 1, wherein: the top frame (29) and the movable frame (19) form a lifting structure through a screw rod (27), and a limiting rod (28) penetrates through the top frame (29).
6. The heat treatment device for wind power generation bearing processing for preventing dropping of a workpiece according to claim 1, wherein: the cross section of the push rod (3305) is of a T-shaped structure, and the rear end of the push rod (3305) penetrates through the rear end of the heating furnace (1).
7. A heat treatment process of a heat treatment device for wind power generation bearing processing for preventing a workpiece from falling as claimed in claim 1, characterized in that: the heat treatment process of the heat treatment equipment for processing the wind power generation bearing, which is used for avoiding the falling of the workpiece, comprises the following processes;
the first process comprises the following steps: detecting whether the inside of the workpiece body (25) contains the network carbide or not by a device for rapidly detecting the network carbide structure of the steel piece;
and a second process: hanging a workpiece body (25) containing netlike carbide on a hanging rod (24) with a L-shaped structure in a longitudinal section, opening a heating furnace (1), pushing the hanging rod (24) and the workpiece body (25), heating the workpiece body (25) by using a flame spraying gun (6), normalizing the workpiece body (25), opening a servo motor (26) during heating, driving a screw rod (27) by the servo motor (26) to enable the hanging rod (24) and the workpiece body (25) to lift, pushing the workpiece body (25) by a push rod (3305) at the same time, enabling the workpiece body (25) to lift and move forwards and backwards in a small amplitude, and pushing the workpiece body into a cooling furnace (2) to rapidly cool after heat preservation is carried out for 40-60min, thereby completing the normalizing treatment;
and (3) a process III: the workpiece body (25) subjected to the first normalizing process is placed in a heating furnace (1) for annealing treatment;
and a process IV: then, the workpiece body (25) is heated and cooled by changing the temperatures in the heating furnace (1) and the cooling furnace (2), and quenching and low-temperature annealing are performed.
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| CN205974593U (en) * | 2016-08-30 | 2017-02-22 | 广东富华重工制造有限公司 | Quench machining tool isolated plant |
| CN213835433U (en) * | 2020-11-24 | 2021-07-30 | 南通汉科新能源开发有限公司 | Annealing device for heat treatment of flange plate |
| CN214270961U (en) * | 2021-01-13 | 2021-09-24 | 江阴市格兰特锻造有限公司 | Heat treatment device for processing gear blank of speed reducer |
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